Question

Question 12

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The tank for a car holds 17 gallons. The gasoline gauge shows the tank is full. How much gas is still in
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the tank? Give your answer as a whole number or as a mixed fraction reduced to lowest terms.
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Answer 1

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

The tank for a car holds 17 gallons. The gasoline gauge shows the tank is 3/4 full. How much gas is still in the tank?

Give your answer as a whole number or as a mixed fraction reduced to lowest terms.

Answer:

`Gas \: \:left = 12 (3)/(4) \: \:gallons \\\\`

Explanation:

The tank for a car holds 17 gallons.

The gasoline gauge of the car shows that the tank is 3/4 full.

We are asked to find the remaining gasoline in the tank.

`Gas \: \:left = (3)/(4) * 17 \\\\Gas \: \:left = (51)/(4) \\\\Gas \: \:left = 12 (3)/(4) \: \:gallons \\\\`

Therefore, the remaining gas in the tank is
`12(3)/(4)` gallons.

Alternatively:

`1 - (3)/(4) = (1)/(4)`

Amount of gasoline consumed =
`(1)/(4) * 17 = (17)/(4)`

Amount of gasoline left = total - consumed

Amount of gasoline left =
`17 - (17)/(4) = 12(3)/(4) \:\: gallons`